ENEM 2019 - Questão 10 - Petróleo

(Enem 2019) Hydrocarbons are organic molecules with a range of industrial applications. For example, they are present in large quantities in various petroleum fractions and are typically separated by fractional distillation based on their boiling points. The table shows the main fractions obtained from petroleum distillation at different temperature ranges. In fraction 4, the separation of compounds occurs at higher temperatures because: a) their densities are higher. b) the number of branches is greater. c) their solubility in petroleum is greater. d) intermolecular forces are stronger. e) the carbon chain is more difficult to break.